<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8"/>
    <title>Spring Boot 广播式</title>
</head>
<body>
    <noscript><h2 style="color: #2aabd2;">您的浏览器不支持webSocket</h2></noscript>
    <div>
        <div>
            <button id="connect" onclick="connect();">连接</button>
            <button id="disconnect" disabled="disabled" onclick="disconnect();">断开</button>
        </div>
        <div id="conversationDiv">
            <label>输入你的名字</label>
            <input type="text" id="name"/>
            <button id="sendName" onclick="sendName();">发送</button>
            <p id="response"></p>
        </div>
    </div>
<script th:src="@{js/sockjs.min.js}"></script>
<script th:src="@{js/stomp.min.js}"></script>
<script th:src="@{jquery-3.2.1.min.js}"></script>
<script>
    var stompClient=null;
    function setConnected(connected) {
        document.getElementById('connect').disabled=connected;
        document.getElementById('disconnect').disabled=!connected;
        document.getElementById('conversationDiv').style.visibility=connected ? 'visible' : 'hidden';
        $('#response').html();
    }
    function connect() {
        var socket =new SockJS('/endpointKxc');
        stompClient=Stomp.over(socket);
        stompClient.connect({},function (frame) {
            setConnected(true);
            console.log("Connected:"+frame);
            stompClient.subscribe('/topic/getResponse',function (response) {
                showResponse(JSON.parse(response.body).responseMessage);
            });
        });
    }
    function disconnect() {
        if(stompClient!=null){
            stompClient.disconnect();
        }
        setConnected(false);
    }
    function sendName() {
        var name=$('#name').val();
        stompClient.send("/welcome",{},JSON.stringify({'name':name}));
    }
    function showResponse(message) {
        var response=$("#response");
        response.html(message);
    }
</script>
</body>
</html>